130215236 has 24 divisors (see below), whose sum is σ = 241692864. Its totient is φ = 61253280.

The previous prime is 130215233. The next prime is 130215263. The reversal of 130215236 is 632512031.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (130215233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5990 + ... + 17213.

It is an arithmetic number, because the mean of its divisors is an integer number (10070536).

Almost surely, 2^130215236 is an apocalyptic number.

It is an amenable number.

130215236 is a deficient number, since it is larger than the sum of its proper divisors (111477628).

130215236 is a wasteful number, since it uses less digits than its factorization.

130215236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23291 (or 23289 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 130215236 is about 11411.1890703818. The cubic root of 130215236 is about 506.8591226010.

Adding to 130215236 its reverse (632512031), we get a palindrome (762727267).

The spelling of 130215236 in words is "one hundred thirty million, two hundred fifteen thousand, two hundred thirty-six".